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(No Model.) v 3 Sheets-Sheet 1. F. RHIND.

HANGING LAMP. 1\Io."394,882. Patnted Deo. 18', 1888.

N. PETERS, PhnloLihugmphsr. Washingiun. D. Cl

(No Model.) s, sheets-sheen 2. F. RHIND.

HANGING LAMP.

No. 394,882. Patented Deo'. 18, 1888.

(No Model.) 3 Sheets-Sheet 3. I'. RHIND.

HANGING LAMP.

No. 394.882,. `Patented Dec. 18, 1888.

N. PITERS, Phatuvmiwgnpher. wnhingmn, D.,C.

Nirn Sie-rares Arent trice.

FRANK RHIND, OF MERIIIE, CONNECTICUT, ASSIGNOR OF ONE-HALF TO EDIVARD MILLER et' COMPANY, OF SAME PLACE.

HANGING LAIVIP.

SPECIFICATION forming part of Letters Patent No. 394,882, dated December 18, 1888.

Application filed May 31,1888. Serial No. 275,616. (No model.)

To @ZZ whom it may con/cern.-

Be it known that I, FRANK RHIND, of Meriden, in the county of New Haven and State of Connecticut, have invented a new Improvement in Hanging Lamps; and I do hereby dcclare the following, when taken in connection with accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description ot' the same, and which said drawings constitute part ot Athis specification, and represent, in- 1 Figure l, a side view ot' a hanging lamp complete, a portion of the hanger broken away to show the application ot' the invention; Fig. 2,a sectional side view of the hanger and the suspending-loop and the chains, enlarged, this being the upper portion of the tixture, section cuttingI on line fr ot Fig. S; Fig. 3, a top view ot` the same; Figs. -LL and 5, transverse sections ot the same, illustrating the operation o'f the cam upon the brake-bar; Figs, t, 7, 8, 9, and 10, modilications ot' the invention.

This invention relates to an improvement in that class ot' hanging lamps in which a hanger is applied to a hook or other device in the ceiling as a means t'or suspending the lamp.

The lamp is carried in a trame below, and two or more chains are attached by one end to the lamp support or 'frame and run up over corresponding pulleys in the hanger, thence down, their other end attached to a counterbalanGing-weight, and so that as the lamp-frame is drawn downward the weight will rise, and vice versa. This is a common construction ot' hanging lamps. It is necessary that the weight shall so counterbalance the lamp and its support that the lamp maybe adjusted to di t'terent elevations; but, owing to the tact that the oil in the lamp is consumed, the weight ot' the suspended portion otl the iixture will be constantly diminishing, so that if the weight counterbalance the adjustable portion of the lixture when the fount is filled, when the fount is empty the weight will be too heavy, and naturally draw the said adjustable portion to its highest elevation. Again, the weight of founts and of the adjustable portion of the iixture varies to a considerable extent, and this variation is increased by the absence or presence ot' shades. To provide for this variation, devices have been provided to apply friction to the pulleys over which the chains run, or in some cases directly to the chains. This friction is constant, and must be sut'iicient to provide for the greatest possible variation in the weight ot' the suspended portion of the fixture, and that triction must be overcome both in drawing down and raising the said adjustable part. Many times this friction interferes materially with the free working ot the adjustable part ot' the iixture.

The object of my invention is to provide a brake which may be operated through the lamp-support itselt.

In another application, Serial No. 268,527, tiled March 26, 1838, I have illustrated and described an invention for applying a brake or lock to a spring-drum, f rom which the lampsupporting frame is suspended by two or more chains wound upon the drum. In that invention the brake is operated by imparting a rotation to the lamp-supporting frame preparatory to drawing down or raising that frame.

In the present invention I take advantage ot' the same rotation of the lamp-supporting frame to operate the brake upon pulleys or chains ot' a weight-supported hanging lamp; and the invention consists in ahanger carryin two or more pulleys, over each of which chains run l'rom the lamp-supporting frame, their free ends connected to a weight or weights below the hanger, combined with a vertical spindle, upon which said hanger may rotate in a horizontal plane, the said spindle provided with an eye or hook as a means for suspending the lamp, which eye or hook is prevented from rotation, with abrake adapted to be applied to the pulleys carrying the chains, or directly to the chains bya rotation ot' the hanger independent ot the suspendingloop, more fully hereinafter described.

A represents the hanger, in which two or more pulleys, B, are hung upon an axis, and so as to revolve in a vertical plane, and as usual in this class ot' fixtures.

C represents the lamp-supporting frame,

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which carries the fount D, and also7 as here represented, carries the shade E. From the lamp-supporting 'trame two or more chains, aeeoii'ding to the number ot pulleys, (here rep resented as two, F G,) are eonneetet'l by .one end to the lamp-supporting trame direotly or iinlireetly, andA extend up over said pulleys l l, thenee down. They are eonneeted by their other ends to a weight, 1I, the said weight sewing to eou nterl alanee the adjustable portion of the fixture in the usual manner, and so that as the said adj nstable portion is raised the weight drops aoiifordingly, or viee versa.

So t'ar the e(mstruetion is eommon and well known.

I represents a vertieal spindle arranged eoneentrieally in the hanger, and whieh serves to support. the hanger. 'lhe spindle at its upper end is provided with an eye or hook, J, by whieh it may be attaehed to a eorrirspoinling loop or hook in the eeiling, and so that. the said etmueetion with the eeiling will prevent the rotation ot' the hook or eye .T3 but the hanger is made tree to rotate upon the spindle independent ot' the suspending-loop, and so that by taking hold ot the supportin g-t' ram e below and imparting a rotation thereto rotation will be eonimunieated to the hanger through tbe ehains and in either direetion, aeeording as the 'trame is rotated.

K represents a bar, which extends aeross the hanger, its ends resting upon the pulleys B 13, respectively, as seen in Figs. 2 and.

Si. An opening is made through the bar,

through whieh the spindle l passes, and the bar is held by guides (l u, which extend up from the hanger, so that the bar will rotate with the hanger independent. ot' the suspendilig-loop, and eonsequently always rest upon the pulleys. The base ot' the loop is enlarged above the bar, and is eonstrueted with a earn-shaped under surt'aei, 1,whieh works upon the bar, and so that as the hanger and bar are rotated in one direetion the eamsurtaee will operatie upon the bar to toree it upon the pulleys and produee t'rietion thereon aeeordingly, or, rotated in the opposite direction, will take the bar from the bearing portimls ot' the said eam and remove the trietion from the pulleys. ',l`hese movements ot' the bar are indicated in Figs. L and 5, Fig. 4; showingthe bar as under the intluenee ot' whatnlaybeealled the rise ot' the eam, and theretfore al'iplying the tfrietion; and Fig. shows the bar as stamlingin the depression ot' the eam when the t'rietitm i is removed.

supporting Y[frame and a partial rotation imparted to it, whieh is eommunieated tothe hanger through the ehains, as indioated in broken lines, Fig. 23, whieh rotation takes the brake-bar l( into th'e depression of the eani on the loop, and thereby" removes the pressure ot' the brake upon the pulleys. New the pulleys are free, the lamp may be raised or lowered, as desired, and when the desired position is attained the lamp-trame is rotated in the opposite direetion. That rotation being oommuniea-ted tothe hanger, as bet'ore, brings` the ln'ake-bar upon the rise ot' the eam, and the power ot' the brake Vwill be applied as be- `t'ore, and hold the lamp suspended at that point.

It 'will be evident that the rt'rietion may be applied to a weighted snspeiision-lamp in va rious ways by the rotation ot' thehanger under a eorrespoinling rotation oli the supporting" frame. through the ehains eonneeting said trame with the hanger. rl`o illustrate other and analogous devices torso appl ying the trietion, l represent in Fig. the spindle as eonstrueted with a sermv-thread, l), whieh works through a eiin'responding sertwv-thread in the brake-bar K, and so that under the rotation of the hanger, as before deseribml, the said bar will work upon the serew-tl|re:ul Lon the spindle, whieh is stationary, as bet'ore, and will impart an up or down nuwennnt to the brake-bar, aeeording to the direetion in whieh the hanger is rotated.

Instead olf applying a single brake-bar to operate upon both pulleys, the brake l\' may be made in two parts, as seen in Fig. 7, eaeh part hinged to the hanger, so as to swing up and down upon the pulleys, the enlargement or base ot' the loop .l being sutteient to extend over the inner ends ol the, ln'akes, and eonstruetei'l upon its under snrt'aee with substantially the same rise and lall to [form the eams l), as indieated in Fig. 7,and so that,the Aloop .l with its eams being held statitmary, the brake will be applied or removed by the rotation ot' the hanger trom the t'rame below in substantially the same manner as bet'ore desm'ibed, or the ln'ake-bar l( may be made to operate upon brakes hinged to the lnnigei', as seen in Fig. 8, M representing sueh brakes hinged, to the hanger on the inner side ot.' the pulleys, the brake-lanbrought to bear there on. The brake may be made in the t'orm ot' a disk made t'ast to the spindle l, as seen in Fig. it, this disk being an equivalent lor the ln'ake-bar. K in thistigure indieatesthe disk, which, as here reln'esented, is arranged upon the under side ot' the. hanger, and its edge is made eam-shalpied, as represented in Fig. lo, the rise of the eani being adapted. to bear loreibly against the ln1.ii1s,\\'l1ile the depres sion of the earn will leave the, ehains `tree. The rotation ot' the hangers in this ease is the saine as before, to bring the ehains into engagement with the resrlnleti ve rise or projeeting points ot the eam or into the depressions ot' the cam, as the ease maybe. Y

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It will be evident that the brakes may bear directly upon the pulleys or chains with the saine result. I therefore do not wish to be understood as limiting the operation oi' the brake to the pulleys directly.

The screw-thread on the spindle or suspension device is to be understood as a wellknown equivalent for the stationary cani.

The hanger may be of any of the usual constructions, and, as usual, is sometimes made troni cast inetal and sometimes from sheet inetal, the outer surface being ornaniented to give it a tasteful appearance.

The spindle is preferably niade as a perinanent or integral part of the suspending-loop; but it niay be niade a separate piece, as represented in Fig. 7. The spindle in this case, however, forms the aXis upon which the hanger turns, substantially as if the spindle be niade an integral part ot the loop, as in the other illustrations.

I represent one well-known forni ot' counterbalancing-weight, for which it will be understood that other known weights may be substituted.

In sonie classes of fixtures the weight is the shade or lantern. By the terni weight, therefore, I wish to be understood as including any of the known counterbalancing devices.

I clainil. In a hanging-lamp fixture, the combination of a hanger carrying two or more pulleys, a suspending device adapted to be secured to the ceiling and carrying a vertical spindle, the said hanger arranged upon said spindle, and so as to receive a rotative moveinent independent ot' the suspending device, two or niore pulleys arranged in said hanger, a lamp-carrying frame below, chains attached by one end to said lamp-carrying frame, running upward and over said pulleys, thence down, a weight attached to the other end of said chains, and so that the said rotation may be imparted to said hanger by said lamp-carrying franic through the said chains, and a brake between said pulleys or chains and the said suspending device, substantially as described, and whereby the said rotation of the said hanger from the lamp-carrying frame through `the chains and independent of said suspena lamp-carrying frame below, chains attachedl by one end to said lainp-carrying traine, running upward and over said pulleys, thence down, a weight attached to the other end of said chains, and so that the said rotation may be imparted to said hanger by said lamp-carrying frame through the said chains, one or more brakes arranged upon the hanger so as to rotate with it, and adapted to operate upon one or inore of the pulleys or chains, and a cam on the suspension device andY stationary therewith, said cain adapted to operate upon said brake, substantially as described, and whereby, under the rotation of the said hanger in one direction, the said stationary cani serves to apply the brake and rotation in the opposite direction will relieve the brake.

FRANK RHIND.

IVitn esses:

GrEo. L. CooPER,

I. B. MILLER. 

